witness: lock order reversal: 1st 0xffffffff8387ce30 &cq->cq_mtx (&cq->cq_mtx) 2nd 0xffffffff839e3b00 &sched_lock (&sched_lock) lock order [1] &cq->cq_mtx (&cq->cq_mtx) -> [2] &sched_lock (&sched_lock) #0 mtx_enter+0x95 sys/kern/kern_lock.c:406 #1 sleep_setup+0xed sys/kern/kern_synch.c:304 #2 msleep_nsec+0x10b sys/kern/kern_synch.c:217 #3 dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:589 #4 dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] #4 dtclose+0x109 sys/dev/dt/dt_dev.c:239 #5 spec_close+0x466 sys/kern/spec_vnops.c:-1 #6 VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 #7 vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] #7 vn_closefile+0x12b sys/kern/vfs_vnops.c:615 #8 fdrop+0x121 sys/kern/kern_descrip.c:1280 #9 closef+0x192 sys/kern/kern_descrip.c:1264 #10 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 #11 Xsyscall+0x128 lock order [2] &sched_lock (&sched_lock) -> [1] &cq->cq_mtx (&cq->cq_mtx) #0 mtx_enter+0x95 sys/kern/kern_lock.c:406 #1 clockintr_cancel+0x2f sys/kern/kern_clockintr.c:323 #2 mi_switch+0x187 sys/kern/sched_bsd.c:376 #3 sleep_finish+0x2d8 sys/kern/kern_synch.c:369 #4 sys_futex+0xb90 futex_wait sys/kern/sys_futex.c:306 [inline] #4 sys_futex+0xb90 sys/kern/sys_futex.c:155 #5 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #5 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 #6 Xsyscall+0x128 Stopped at db_enter+0x25: addq $0x8,%rsp ddb{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic the kernel did not panic ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 witness_checkorder(ffffffff839e3b00,9,0) at witness_checkorder+0x10d1 sys/kern/subr_witness.c:-1 mtx_enter(ffffffff839e3af0) at mtx_enter+0x95 sys/kern/kern_lock.c:406 sleep_setup(ffffffff8387ce80,220,ffffffff834395ef) at sleep_setup+0xed sys/kern/kern_synch.c:304 msleep_nsec(ffffffff8387ce80,ffffffff8387ce20,220,ffffffff834395ef,ffffffffffffffff) at msleep_nsec+0x10b sys/kern/kern_synch.c:217 dt_ioctl_record_stop(ffff8000016cb000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:589 dtclose(31e5f,81,2000,ffff80002f3ce2d0) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(31e5f,81,2000,ffff80002f3ce2d0) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff80003c427ae0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd806f39eb38,81,fffffd80097fd750,ffff80002f3ce2d0) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806b6b7720,ffff80002f3ce2d0) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806b6b7720,ffff80002f3ce2d0) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806b6b7720,ffff80002f3ce2d0) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806b6b7720,ffff80002f3ce2d0) at closef+0x192 sys/kern/kern_descrip.c:1264 syscall(ffff80003c427d40) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c427d40) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x64e5e126d70, count: -14 ddb{1}> show registers rdi 0 rsi 0x80000 acpi_pdirpa+0x6be71 rbp 0xffff80003c4277b0 rbx 0 rdx 0xffff80000155fac0 rcx 0xffff80002f3ce2d0 rax 0x7ffff acpi_pdirpa+0x6be70 r8 0xffff80003c427690 r9 0x8080808080808080 r10 0x216509690c0bfb9c r11 0x305d7400e583a66d r12 0xfffffd8003f54e40 r13 0xfffffd8004742d58 r14 0x3 r15 0xffffffff8341e6ec substchar+0x406d rip 0xffffffff82bfb7e5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c4277a0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=233004 pid=66910 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003c453258,0xffff80002f3cf270 process=0xffff8000ffff49a8 user=0xffff80003c422000, vmspace=0xfffffd8066a895e0 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 89811 456759 2246 0 2 0 syz-executor 89811 158643 2246 0 3 0x4000080 fsleep syz-executor 30689 422398 74818 0 2 0 syz-executor 30689 177931 74818 0 3 0x4000080 fsleep syz-executor 30689 202727 74818 0 3 0x4000080 fsleep syz-executor 66910 440132 63862 0 2 0 syz-executor *66910 233004 63862 0 7 0x4000000 syz-executor 63955 259634 58356 0 3 0x80 nanoslp syz-executor 63955 18116 58356 0 3 0x4000080 fsleep syz-executor 63955 18131 58356 0 3 0x4000080 fifow syz-executor 63955 223243 58356 0 3 0x4000080 fsleep syz-executor 85440 71335 57235 0 3 0x80 nanoslp syz-executor 85440 411579 57235 0 3 0x4000080 rest syz-executor 85440 205721 57235 0 3 0x4000080 fsleep syz-executor 74022 507842 34793 0 7 0x2 syz-executor 64838 494891 147 0 3 0x3000 suspend syz-executor 64838 338042 147 0 3 0x4081000 biowait syz-executor 64838 234786 147 0 3 0x4081000 inode syz-executor 74818 242212 34793 0 3 0x82 nanoslp syz-executor 53396 119553 1 0 3 0x100083 ttyin getty 2246 402258 34793 0 3 0x82 nanoslp syz-executor 90727 308026 0 0 3 0x14280 nfsidl nfsio 40164 292841 0 0 3 0x14280 nfsidl nfsio 96573 26110 0 0 3 0x14280 nfsidl nfsio 36836 156420 0 0 3 0x14280 nfsidl nfsio 51158 168243 0 0 3 0x14280 nfsidl nfsio 1176 512411 0 0 3 0x14280 nfsidl nfsio 31012 240577 0 0 3 0x14280 nfsidl nfsio 25238 7176 0 0 3 0x14280 nfsidl nfsio 41120 509169 0 0 3 0x14280 nfsidl nfsio 93174 416561 0 0 3 0x14280 nfsidl nfsio 51202 138391 0 0 3 0x14280 nfsidl nfsio 15470 454289 0 0 3 0x14280 nfsidl nfsio 62859 250926 0 0 3 0x14280 nfsidl nfsio 49012 192850 0 0 3 0x14280 nfsidl nfsio 72465 11051 0 0 3 0x14280 nfsidl nfsio 81298 62801 0 0 3 0x14280 nfsidl nfsio 97991 77489 0 0 3 0x14280 nfsidl nfsio 28077 351258 0 0 3 0x14280 nfsidl nfsio 65605 86163 0 0 3 0x14280 nfsidl nfsio 74493 292669 0 0 3 0x14280 nfsidl nfsio 13294 75977 34793 0 3 0x82 nanoslp syz-executor 57235 446197 34793 0 3 0x82 nanoslp syz-executor 58356 369108 34793 0 3 0x82 nanoslp syz-executor 63862 519912 34793 0 3 0x82 nanoslp syz-executor 147 140254 34793 0 3 0x82 nanoslp syz-executor 34793 506739 97213 0 3 0x82 kqread syz-executor 97213 19409 85731 0 3 0x10008a sigsusp ksh 85731 260149 73114 0 3 0x98 kqread sshd-session 73114 384913 96160 0 3 0x92 kqread sshd-session 96160 427285 1 0 3 0x88 kqread sshd 89702 147191 11217 74 3 0x1100092 bpf pflogd 11217 189681 1 0 3 0x80 sbwait pflogd 96040 357817 51766 73 3 0x1100090 kqread syslogd 51766 85614 1 0 3 0x100082 sbwait syslogd 55838 334723 1 0 3 0x100080 kqread resolvd 15835 273908 89480 77 3 0x100092 kqread dhcpleased 91949 131477 89480 77 3 0x100092 kqread dhcpleased 89480 294446 1 0 3 0x80 kqread dhcpleased 85144 483818 0 0 3 0x14200 bored smr 43039 231592 0 0 3 0x14200 pgzero zerothread 14778 305074 0 0 3 0x14200 aiodoned aiodoned 48103 128958 0 0 3 0x14200 syncer update 92511 397265 0 0 3 0x14200 cleaner cleaner 14698 496979 0 0 3 0x14200 reaper reaper 70074 277310 0 0 3 0x14200 pgdaemon pagedaemon 21912 474421 0 0 3 0x14200 bored viomb 74341 314766 0 0 3 0x40014200 acpi0 acpi0 78036 73098 0 0 3 0x40014200 idle1 16704 51822 0 0 3 0x14200 bored softnet1 32118 60993 0 0 3 0x14200 bored softnet0 84181 342134 0 0 3 0x14200 bored systqmp 39948 294784 0 0 3 0x14200 bored systq 64762 2801 0 0 3 0x14200 tmoslp softclockmp 36132 363973 0 0 3 0x40014200 tmoslp softclock 44218 89788 0 0 3 0x40014200 idle0 1 426610 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks CPU 1: exclusive mutex &cq->cq_mtx r = 0 (0xffffffff8387ce30) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 mtx_enter+0x4b4 sys/kern/kern_lock.c:487 #2 clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 #3 dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:589 #4 dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] #4 dtclose+0x109 sys/dev/dt/dt_dev.c:239 #5 spec_close+0x466 sys/kern/spec_vnops.c:-1 #6 VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 #7 vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] #7 vn_closefile+0x12b sys/kern/vfs_vnops.c:615 #8 fdrop+0x121 sys/kern/kern_descrip.c:1280 #9 closef+0x192 sys/kern/kern_descrip.c:1264 #10 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 #11 Xsyscall+0x128 Process 66910 (syz-executor) thread 0xffff80002f3ce2d0 (233004) exclusive rwlock dtlk r = 0 (0xffffffff838237c8) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 dt_ioctl_record_stop+0x2e sys/dev/dt/dt_dev.c:572 #3 dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] #3 dtclose+0x109 sys/dev/dt/dt_dev.c:239 #4 spec_close+0x466 sys/kern/spec_vnops.c:-1 #5 VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 #6 vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] #6 vn_closefile+0x12b sys/kern/vfs_vnops.c:615 #7 fdrop+0x121 sys/kern/kern_descrip.c:1280 #8 closef+0x192 sys/kern/kern_descrip.c:1264 #9 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #9 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 #10 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83953e80) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 vn_closefile+0x41 sys/kern/vfs_vnops.c:608 #2 fdrop+0x121 sys/kern/kern_descrip.c:1280 #3 closef+0x192 sys/kern/kern_descrip.c:1264 #4 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #4 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 #5 Xsyscall+0x128 exclusive mutex &cq->cq_mtx r = 0 (0xffffffff8387ce30) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 mtx_enter+0x4b4 sys/kern/kern_lock.c:487 #2 clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 #3 dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:589 #4 dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] #4 dtclose+0x109 sys/dev/dt/dt_dev.c:239 #5 spec_close+0x466 sys/kern/spec_vnops.c:-1 #6 VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 #7 vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] #7 vn_closefile+0x12b sys/kern/vfs_vnops.c:615 #8 fdrop+0x121 sys/kern/kern_descrip.c:1280 #9 closef+0x192 sys/kern/kern_descrip.c:1264 #10 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 #11 Xsyscall+0x128 Process 74022 (syz-executor) thread 0xffff80002f3cefc8 (507842) exclusive rrwlock inode r = 0 (0xfffffd806f10eca0) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vget+0x2a2 sys/kern/vfs_subr.c:686 #6 ufs_ihashget+0x185 sys/ufs/ufs/ufs_ihash.c:98 #7 ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1203 #8 ufs_lookup+0x1a36 sys/ufs/ufs/ufs_lookup.c:478 #9 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x93a sys/kern/vfs_lookup.c:566 #11 namei+0x7ca sys/kern/vfs_lookup.c:250 #12 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1868 #13 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806e93e790) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1 #6 namei+0x7ca sys/kern/vfs_lookup.c:250 #7 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1868 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 #9 Xsyscall+0x128 Process 64838 (syz-executor) thread 0xffff80002a262540 (338042) exclusive rrwlock inode r = 0 (0xfffffd806e804ed0) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vn_write+0x18f sys/kern/vfs_vnops.c:405 #6 dofilewritev+0x242 sys/kern/sys_generic.c:380 #7 sys_write+0xa2 sys/kern/sys_generic.c:300 #8 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 #9 Xsyscall+0x128 Process 64838 (syz-executor) thread 0xffff80002f3cfa28 (234786) exclusive rrwlock inode r = 0 (0xfffffd8075342938) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1 #6 namei+0x7ca sys/kern/vfs_lookup.c:250 #7 dofchmodat+0x162 sys/kern/vfs_syscalls.c:2382 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11104 12247K 12472K 166960K 13439 0 pcb 17 14K 15K 166960K 194 0 rtable 219 11K 11K 166960K 588 0 pf 33 17K 19K 166960K 142 0 ifaddr 37 6K 8K 166960K 113 0 ifgroup 51 2K 2K 166960K 194 0 sysctl 4 1K 9K 166960K 14 0 counters 68 36K 38K 166960K 218 0 ioctlops 0 0K 4K 166960K 1655 0 iov 0 0K 20K 166960K 49 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1431 90K 90K 166960K 2120 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 17 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 27 0 dirhash 12 2K 2K 166960K 24 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 93K 166960K 974 0 sigio 0 0K 0K 166960K 12 0 proc 72 115K 164K 166960K 702 0 subproc 72 4K 4K 166960K 100 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 115 0 in_multi 74 5K 7K 166960K 175 0 ether_multi 1 0K 0K 166960K 11 0 mrt 1 0K 0K 166960K 13 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 223 996K 996K 166960K 223 0 exec 0 0K 1K 166960K 502 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 260 169K 187K 166960K 10782 0 UVM aobj 23 8K 8K 166960K 23 0 pinsyscall 42 84K 104K 166960K 2188 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 68 0 NDP 11 0K 2K 166960K 79 0 temp 66 8684K 8757K 166960K 52052 0 kqueue 15 20K 32K 166960K 208 0 SYN cache 2 8K 16K 166960K 3 0 ddb{1}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 26 0 0 1 0 1 1 0 8 0 rtpcb 120 106 0 103 1 0 1 1 0 8 0 rtentry 176 168 0 83 6 0 6 6 0 8 0 unpcb 144 667 0 641 9 7 2 6 0 8 1 syncache 336 6 0 6 2 2 0 1 0 8 0 tcpqe 32 2 0 2 1 1 0 1 0 8 0 tcpcb 736 280 0 274 2 0 2 2 0 8 1 arp 136 25 0 10 1 0 1 1 0 8 0 inpcb 328 1015 0 1006 15 8 7 7 0 8 5 nd6 152 35 0 15 2 0 2 2 0 8 0 pkpcb 40 11 0 11 3 2 1 1 0 8 1 kcovpl 48 11 0 3 1 0 1 1 0 8 0 mppekey 1024 1 0 1 1 1 0 1 0 8 0 ppxss 1192 54 0 54 2 1 1 1 0 8 1 pppxif 1504 9 0 9 2 1 1 1 0 8 1 pffrag 232 14 0 0 1 0 1 1 0 482 0 pffrnode 88 14 0 0 1 0 1 1 0 8 0 pffrent 40 87 0 73 1 0 1 1 0 8 0 pfosfp 40 1428 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfrktable 1344 3 0 2 1 0 1 1 0 8 0 pfrule 1360 2 0 0 1 0 1 1 0 8 0 rttmr 136 2 0 2 1 1 0 1 0 8 0 art_heap8 4096 3 0 0 3 0 3 3 0 8 0 art_heap4 256 735 0 397 34 9 25 32 0 8 1 art_table 40 738 0 397 6 1 5 6 0 8 0 art_node 32 167 0 94 1 0 1 1 0 8 0 sysvmsgpl 40 12 0 10 2 1 1 1 0 8 0 semapl 112 24 0 14 1 0 1 1 0 8 0 shmpl 112 18 0 0 1 0 1 1 0 8 0 dirhash 1024 25 0 8 3 0 3 3 0 8 0 dino2pl 256 3174 0 1659 95 0 95 95 0 8 0 ffsino 296 3174 0 1659 117 0 117 117 0 8 0 nchpl 144 4511 0 2798 64 0 64 64 0 8 0 rtmask 32 12 0 12 4 3 1 1 0 8 1 vnodes 216 3659 0 0 204 0 204 204 0 8 0 namei 1024 15635 0 15634 3 2 1 2 0 8 0 percpumem 16 124 0 75 1 0 1 1 0 8 0 vcpupl 3968 2 0 0 1 0 1 1 0 8 0 vmpool 848 2 0 0 1 0 1 1 0 8 0 kstatmem 264 114 0 90 5 2 3 3 0 8 1 scsiplug 72 3 0 3 2 2 0 1 0 8 0 scxspl 216 28123 0 28122 9 8 1 8 1 8 0 plimitpl 152 411 0 391 1 0 1 1 0 8 0 sigapl 424 1303 0 1236 9 1 8 8 0 8 0 knotepl 120 757 0 0 23 0 23 23 0 8 0 kqueuepl 224 547 0 537 14 5 9 9 0 8 8 pipepl 344 313 0 285 10 7 3 9 0 8 0 fdescpl 528 1263 0 1232 3 0 3 3 0 8 0 filepl 160 8454 0 8152 27 10 17 20 0 8 4 lockfpl 104 654 0 585 3 0 3 3 0 8 1 lockfspl 48 163 0 158 1 0 1 1 0 8 0 sessionpl 144 27 0 18 1 0 1 1 0 8 0 pgrppl 48 44 0 27 1 0 1 1 0 8 0 ucredpl 104 1188 0 1175 1 0 1 1 0 8 0 zombiepl 144 1238 0 1236 2 1 1 1 0 8 0 processpl 1232 1303 0 1236 6 0 6 6 0 8 0 procpl 664 2760 0 2682 8 0 8 8 0 8 0 sosppl 176 10 0 10 3 2 1 1 0 8 1 sockpl 752 1816 0 1778 29 19 10 17 0 8 5 mcl64k 65536 5 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 111 0 0 14 0 14 14 0 8 0 mcl2k 2048 36 0 0 5 0 5 5 0 8 0 mtagpl 96 26 0 0 1 0 1 1 0 8 0 mbufpl 256 1816 0 0 113 0 113 113 0 8 0 bufpl 280 11369 0 5233 439 0 439 439 0 8 0 anonpl 32 15450 0 0 125 0 125 125 0 246 0 amapchunkpl 152 35712 0 35012 41 7 34 36 0 158 5 amappl16 200 5402 0 5155 53 28 25 25 0 8 0 amappl15 192 50 0 49 1 0 1 1 0 8 0 amappl14 184 6 0 6 1 1 0 1 0 8 0 amappl13 176 467 0 466 1 0 1 1 0 8 0 amappl12 168 1646 0 1604 3 0 3 3 0 8 0 amappl11 160 3 0 3 1 1 0 1 0 8 0 amappl10 152 62 0 47 1 0 1 1 0 8 0 amappl9 144 257 0 257 1 1 0 1 0 8 0 amappl8 136 35 0 32 1 0 1 1 0 8 0 amappl7 128 106 0 104 1 0 1 1 0 8 0 amappl6 120 317 0 303 1 0 1 1 0 8 0 amappl5 112 100 0 89 1 0 1 1 0 8 0 amappl4 104 445 0 413 1 0 1 1 0 8 0 amappl3 96 6102 0 6004 4 1 3 3 0 8 0 amappl2 88 1367 0 1291 2 0 2 2 0 8 0 amappl1 80 13162 0 12572 14 0 14 14 0 8 0 amappl 88 9848 0 9667 5 0 5 5 0 92 0 uvmvnodes 80 137 0 0 3 0 3 3 0 8 0 dma16384 16384 1 0 1 1 1 0 1 0 8 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma1024 1024 1 0 0 1 0 1 1 0 8 0 dma256 256 6 0 6 1 1 0 1 0 8 0 dma128 128 256 0 256 3 3 0 1 0 8 0 dma64 64 7 0 7 2 2 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 18 0 17 1 0 1 1 0 8 0 aobjpl 72 22 0 0 1 0 1 1 0 8 0 uaddrrnd 24 1263 0 1232 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1263 0 1232 1 0 1 1 0 8 0 vmmpekpl 168 12371 0 12317 3 0 3 3 0 8 0 vmmpepl 168 87332 0 85173 111 5 106 106 0 357 1 vmsppl 488 1262 0 1232 6 1 5 5 0 8 0 rwobjpl 80 26353 0 25031 35 3 32 32 0 8 0 pdppl 4096 2537 0 2466 109 34 75 85 0 8 4 pvpl 32 24084 0 0 194 0 194 194 0 265 0 pmappl 256 1264 0 1232 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 395 0 51 10 0 10 10 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp ddb{0}> trace x86_ipi_db(ffffffff8387bff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c kd_curproc sys/dev/kcov.c:584 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c sys/dev/kcov.c:153 mtx_enter(ffffffff8387ce20) at mtx_enter+0x375 sys/kern/kern_lock.c:455 clockintr_dispatch(ffff80003c4912e0) at clockintr_dispatch+0x401 sys/kern/kern_clockintr.c:215 lapic_clockintr(0,0) at lapic_clockintr+0x51 sys/arch/amd64/amd64/lapic.c:482 Xresume_lapic_ltimer() at Xresume_lapic_ltimer+0x2a __mp_lock(ffffffff83953680) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83953680) at __mp_lock+0x192 sys/kern/kern_lock.c:173 __mp_acquire_count(ffffffff83953680,1) at __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 sleep_finish(ffffffffffffffff,1) at sleep_finish+0x2d8 sys/kern/kern_synch.c:369 biowait(fffffd800b07b230) at biowait+0xc6 sys/kern/vfs_bio.c:1242 bwrite(fffffd800b07b230) at bwrite+0x2e7 sys/kern/vfs_bio.c:754 ffs_update(fffffd806f10ec00,1) at ffs_update+0x2fe sys/ufs/ffs/ffs_inode.c:111 ffs_truncate(fffffd806f10ec00,0,4,fffffd80097fd750) at ffs_truncate+0xc9b sys/ufs/ffs/ffs_inode.c:-1 ufs_rmdir(ffff80003c491810) at ufs_rmdir+0x2f1 sys/ufs/ufs/ufs_vnops.c:1265 VOP_RMDIR(fffffd805e3826c0,fffffd800d43f470,ffff80003c4918e8) at VOP_RMDIR+0x192 sys/kern/vfs_vops.c:413 dounlinkat(ffff80002f3cefc8,ffffff9c,7333c6dce880,8) at dounlinkat+0x2e0 sys/kern/vfs_syscalls.c:1901 syscall(ffff80003c491a60) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c491a60) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7333c6dce870, count: -20 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x25: addq $0x8,%rsp ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 witness_checkorder(ffffffff839e3b00,9,0) at witness_checkorder+0x10d1 sys/kern/subr_witness.c:-1 mtx_enter(ffffffff839e3af0) at mtx_enter+0x95 sys/kern/kern_lock.c:406 sleep_setup(ffffffff8387ce80,220,ffffffff834395ef) at sleep_setup+0xed sys/kern/kern_synch.c:304 msleep_nsec(ffffffff8387ce80,ffffffff8387ce20,220,ffffffff834395ef,ffffffffffffffff) at msleep_nsec+0x10b sys/kern/kern_synch.c:217 dt_ioctl_record_stop(ffff8000016cb000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:589 dtclose(31e5f,81,2000,ffff80002f3ce2d0) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(31e5f,81,2000,ffff80002f3ce2d0) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff80003c427ae0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd806f39eb38,81,fffffd80097fd750,ffff80002f3ce2d0) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806b6b7720,ffff80002f3ce2d0) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806b6b7720,ffff80002f3ce2d0) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806b6b7720,ffff80002f3ce2d0) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806b6b7720,ffff80002f3ce2d0) at closef+0x192 sys/kern/kern_descrip.c:1264 syscall(ffff80003c427d40) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c427d40) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x64e5e126d70, count: -14